Add Wish List Quick view Add to Cart The item has been added Zeiss N-Achroplan 20x Objective Lens N-Achroplan 20x microscope objective NA = 0.45 WD = 0.63mm Coverglass Thickness = 0.17mm Thread size = M27 Immersion = Without Immersion Field of View = 23mm Parfocal Length = 45.06mm Optical System = Infinity Color Corrected System... MSRP: $897.00 Add to Cart The item has been added Compare